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| Thyssen, A.; Grisez, L.; van Houdt, R.; Ollevier, F.P.. |
| The taxonomic position of <i>Photobacterium damselae</i> subsp. <i>piscicida</i>, the causative agent of fish pasteurellosis, is controversial as this organism has also been described as '<i>Pasteurella piscicida</i>'. To clarify the taxonomic position of the pathogen, a total of 113 <i>P. damselae</i> subsp. <i>piscicida</i> strains and 20 <i>P. damselae</i> subsp. <i>damselae</i> strains, isolated from different geographical areas and from the main affected fish species, were analysed using 129 morphological and biochemical tests, including the commercial API 20E and API CH50 test systems. For comparison, the type strains of other <i>Photobacterium</i> species... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Numerical taxonomy. |
| Ano: 1998 |
URL: http://www.vliz.be/imisdocs/publications/238535.pdf |
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| Coelho,Petrônio Alves; Coelho Filho,Petrônio Alves. |
| Several families were added in the past in order to constitute the Xanthidae, but the boundaries between Xanthidae, Parthenopidae and Goneplacidae were diluted, and the classification of some genera doubtful. By this reason was made the analysis of a typical genus of each subfamily occurring in Brazil. 50 characters were selected and coded as (0) for absence and (1) for presence. The data matrix was analysed by computer programs NTSYS and NMIX. The phenetic analysis shows the Xanthidae as a good family, but the cladistic one (Wagner tree) split them in four families: Carpiliidae, Xanthidae (with the subfamilies Menippinae, Platyxanthinae, Xanthinae and Eucratopsinae), Eriphiidae and Pilumnidae (with the subfamilies Trapeziinae and Pilumninae).... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brachyura; Xanthidae; Systematic; Numerical taxonomy. |
| Ano: 1993 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751993000400001 |
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| khalik,Kadry N. Abdel. |
| A systematic study of 29 taxa belonging to 7 genera of subfamilies Balanitoideae, Zygophylloideae, Peganoideae, Tribuloideae, Seetzenioideae and Tetradiclidoideae of Zygophyllaceae from Egypt was carried out by means of numerical analysis based on sixty-one morphological characters, including vegetative parts, pollen grains and seeds. On the basis of UPGMA clustering and PCO analysis, six main groups are recognized. Representatives of these groups are clustered together based on characters with high factor loadings in the PCO analysis. The results indicate that Zygophyllaceae are heterogeneous, including Peganum harmala which has been proposed to belong in a separate family. Zygophylloideae, Tribuloideae, Tetradiclidoideae and Seetzenioideae are the most... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zygophyllaceae; Balanitoideae; Zygophylloideae; Peganoideae; Tribuloideae; Seetzenioideae; Tetradiclidoideae; Numerical taxonomy; UPGMA cluster; PCO. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062012000100017 |
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